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"I didn't end up purchasing from Mr. Cool, but they helped me find what I needed. They couldn't obtain the assembly, but gave me enough information to find what I needed from a used equipment dealer for my 1973 engine. Really nice fellas."

Exact replacements for Cummins Transmission-Gear coolers and other Cummins engine cooling devices are sold by Mr. Cool internationally. Cummins is a diesel engine manufacturer providing both marine and industrial engines with superb quality and reliability. Cummins Marine Diesel, a joint agreement with Mercruiser, provided small diesel engines for the marine market since around year 2000. The only difference you'll see with our replacement Cummins Transmission-Gear coolers is the price.